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United States Patent | 6,177,878 |
Tamura | January 23, 2001 |
Electronic components other than a meter unit are classified and integrated into plural electronic component units. Input/output ports (attach-and-detach means) permitting the detachable electronic component units to be mounted to and detached from the meter unit are provided. This meter unit includes a meter block having a control portion and a power supply portion. The control portion controls the electronic component units. The power supply portion supplies electric power to the electronic component units. The electronic component units are controlled and electrically energized via the input/output ports.
Inventors: | Tamura; Shigeaki (Niigata, JP) |
Assignee: | Nippon Seiki Co., Ltd. (Niigata, JP) |
Appl. No.: | 068004 |
Filed: | April 29, 1998 |
PCT Filed: | June 19, 1997 |
PCT NO: | PCT/JP97/02125 |
371 Date: | April 29, 1998 |
102(e) Date: | April 29, 1998 |
PCT PUB.NO.: | WO98/09137 |
PCT PUB. Date: | March 5, 1998 |
Aug 29, 1996[JP] | 8-227256 |
Current U.S. Class: | 340/3.5; 307/10.1; 340/488; 340/517 |
Intern'l Class: | G05B 023/02 |
Field of Search: | 340/825.07,517,478,471,475,488,870.39,459,870.37,425.5,310 307/10.1,108 |
4119948 | Oct., 1978 | Ward et al. | 340/151. |
5154617 | Oct., 1992 | Suman et al. | |
Foreign Patent Documents | |||
0 871 015 | Oct., 1998 | EP. | |
2 276 038 | Sep., 1994 | GB. | |
4-39531 | Sep., 1992 | JP. | |
6-276571 | Sep., 1994 | JP. | |
6-276644 | Sep., 1994 | JP. | |
7-047869 | Feb., 1995 | JP. | |
7-47869 | Feb., 1995 | JP. | |
7-096774 | Apr., 1995 | JP. | |
7-96774 | Apr., 1995 | JP. | |
7-203553 | Aug., 1995 | JP. |